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Using thermodynamic parameters to study self-healing and interface properties of crumb rubber modifiedasphalt based on molecular dynamics simulation

Dongliang HU, Jianzhong PEI, Rui LI, Jiupeng ZHANG, Yanshun JIA, Zepeng FAN

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 109-122 doi: 10.1007/s11709-019-0579-6

Abstract: The thermodynamic property of asphalt binder is changed by the addition of crumb rubber, which in turnThis study investigated the self-healing and interface properties of crumb rubber modified asphalt (CRMAcrumb rubber.The asphalt-Al O interface with higher rubber content has stronger adhesion and moisture stability.But the influence of crumb rubber on the interfacial properties of asphalt-SiO interface has no statistical

Keywords： crumb rubber modified asphalt     surface free energy     self-healing     interface properties     molecular dynamics    

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Aging properties and aging mechanism of activated waste rubber powder modified asphalt binder based on

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 625-636 doi: 10.1007/s11709-023-0938-1

Abstract: This study is performed to develop a novel pavement material using waste rubber powder, waste lubricatingby-product (LBP), and asphalt.Subsequently, the aging properties and aging mechanism of activated waste rubber powder modified asphaltThe rheological results show that, compared with waste rubber powder modified asphalt (RMA), ARMA offerspowder is more reactive and can form a dense colloidal structure with asphalt.

Keywords： rubber powder modified asphalt     aging     mechanism     rheological     characterization    

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Evaluation of the compatibility between rubber and asphalt based on molecular dynamics simulation

Fucheng GUO, Jiupeng ZHANG, Jianzhong PEI, Weisi MA, Zhuang HU, Yongsheng GUAN

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 435-445 doi: 10.1007/s11709-019-0603-x

Abstract: Using of rubber asphalt can both promote the recycling of waste tires and improve the performance ofStorage stability of asphalt and rubber is related to the compatibility and also influenced by rubbercompatibility between rubber and asphalt as well as the influence of rubber content on compatibility.between asphalt and cis-polybutadiene rubber (BR) is the best, followed by styrene-butadiene rubberThe optimum rubber contents for BR asphalt, SBR asphalt, and NR asphalt were determined as 15%, 15%,

Keywords： rubber asphalt     compatibility     rubber content     molecular dynamics simulation    

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Outdoor aging of road asphalt and SBS modified asphalt

Li XIANG, Juan TU, Jian CHENG, Guohe QUE

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 35-42 doi: 10.1007/s11705-010-0551-4

Abstract: The process of performance degradation of road asphalt (RA) is regarded as aging.At present, better understanding of the thermal-oxidative aging of asphalt is achieved and the correspondingaging (aging in an atmospheric environment, which is referred to as “outdoor aging” in this paper) of asphaltThe outdoor natural ultraviolet (UV) aging of RA and SBS modified asphalt (SBSMA) are investigated in

Keywords： asphalt     SBS     modified road asphalt     outdoor aging     ultraviolet    

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Effect of different high viscosity modifiers on rheological properties of high viscosity asphalt

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1390-1399 doi: 10.1007/s11709-021-0775-z

Abstract: High viscosity asphalt (HVA) has been a great success as a drainage pavement material.The conventional performance results demonstrated SBS + rubber asphalt (SRA-1/2) exhibited excellentThe 60°C dynamic viscosity results indicated TPS + rubber asphalt (TRA) had the excellent adhesion.Based on rheological results, the PG classification of HVA was 16% rubber + asphalt for PG76-22, 20%rubber + asphalt for PG88-22, TRA and SRA-1/2 for PG88-28.

Keywords： high viscosity asphalt     rheological properties     rubber     modifier     viscosity    

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Effect of carbon black on the dynamic moduli of asphalt mixtures and its master curves

Chuangmin LI, Fanbo NING, Yuanyuan LI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 918-925 doi: 10.1007/s11709-019-0526-6

Abstract: Modulus is one of the main parameters during the design of asphalt pavement structure, the newest specificationsof China gives the dynamic moduli ranges of commonly used asphalt mixtures with base asphalt (BA) orstyrene-butadiene-styrene modified asphalt (SBS MA), while the moduli ranges of mixtures with carbonblack modified asphalt (CB MA) are not recommended.To investigate the CB effect on the dynamic moduli of CB MA mixtures, one commonly used asphalt mixture

Keywords： dynamic modulus     carbon black     master curve     modified asphalt     asphalt mixture    

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Green Road Construction Technologies in Guangzhou

Guan-feng An,Wen-yuan Huang,Jing-feng Zhang

Frontiers of Engineering Management 2016, Volume 3, Issue 1,   Pages 80-86 doi: 10.15302/J-FEM-2016002

Abstract: green road construction technologies together with their applications and development like reclaimed asphaltpavement, rubberized asphalt pavement, and warm mix asphalt; and then, about the key obstacles for promotion

Keywords： road     green construction     recycling of waste asphalt     rubber asphalt    

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Laboratory investigation of emulsified asphalt binder modified with wood-derived nano-cellulose and nano

Yunge WEI; Jiayu WANG; Ruoyu LI; Ling XU; Feipeng XIAO

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 11,   Pages 1474-1485 doi: 10.1007/s11709-022-0869-2

Abstract: Emulsified asphalt is the primary material for preventive maintenance and cold-mix paving, but its lowIn this study, Styrene-Butadiene Rubber (SBR) emulsified asphalt was modified with nano-cellulose materialsThe rheology test indicated that WDC modified residue improved rutting resistance with the increasedThe NPC modified binder had a higher rutting factor than WDC modified binder at the same dosage afterperformed better in long-term aging resistance compared with 0.5%WDC modified asphalt.

Keywords： nano-cellulose     emulsified asphalt binder     dispersion     rheological properties     Fourier transform infrared    

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Strength reduction factors for structural rubbercrete

Bashar S. MOHAMMED,N. J. AZMI

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3,   Pages 270-281 doi: 10.1007/s11709-014-0265-7

Abstract: researches have been carried out to study the fresh and hardened properties of concrete containing crumbrubber as replacement to fine aggregate by volume, yet there is no specific guideline has been developedInfluence of mix design parameters such as percentage of crumb rubber replacement, cement content, waterThese RFs can be used to design rubbercrete mixes based on the conventional mix (0% crumb rubber content

Keywords： crumb rubber     recycled tire     mix design     reduction factor     strength     modulus elasticity    

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The development and application of the new type high-viscosity modified asphalt

Yang Linjiang

Strategic Study of CAE 2008, Volume 10, Issue 12,   Pages 92-96

Abstract: asphalt, a new type of high-viscosity modified asphalt was developed.the microstructure changing laws of modified asphalt in modifying process, it is proposed to use themodified asphalt compatible design, which is SBS plus chemical reaction agent tackifier TW-1 and compatibilizerTW-2, so that the low-temperature ductility and elastic resilience of the modified asphalt are improvedThe high-viscosity modified asphalt has been successfully applied to Hangzhou Bay Bridge project.

Keywords： Hangzhou Bay Bridge     high-viscosity modified asphalt     compatibility mechanism     infrared spectroscopy    

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Linear viscoelastic behavior of asphalt binders and mixtures containing very high percentages of reclaimedasphalt pavement

Frontiers of Structural and Civil Engineering   Pages 1211-1227 doi: 10.1007/s11709-023-0983-9

Abstract: study is to correlate the impact of aggregates, if any, on the viscoelastic behavior of rejuvenated asphaltmixtures containing very high amounts of reclaimed asphalt pavement (RAP) (> 50%).First, gradation of 100% RAP was rectified, using a modified Bailey method by adding virgin aggregatesIn addition to performance grade (PG) testing, extracted and recovered binders from different asphaltThe role of asphalt binders in the behavior of asphalt mixtures is more pronounced at high temperatures

Keywords： RAP     complex modulus     SHStS transformation     rejuvenation     behavior of asphalt binder and mixture    

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Parametric study on seismic performance of self-centering reinforced concrete column with bottom-placed rubber

Frontiers of Structural and Civil Engineering   Pages 1145-1162 doi: 10.1007/s11709-023-0945-2

Abstract: reinforced concrete (RC) moment-resisting frame structures, a novel self-centering RC column with a rubberFor the column, the longitudinal reinforcement dissipates seismic energy, the rubber layer allows the

Keywords： seismic resilience     self-centering     rubber layer     flag-shaped hysteresis loop     parametric study    

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Development and road performance of clear asphalt with high transparency and adhesion

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 238-255 doi: 10.1007/s11709-022-0898-x

Abstract: Clear asphalt (CA) currently used in light-colored asphalt mixtures (LCAM) exhibits poor transparencyTherefore, a highly transparent CA (HCA) modified using a silane coupling agent (KH550) was prepared.The properties of the HCA and ordinary CA (OCA) were characterized using conventional asphalt tests,

Keywords： light-colored asphalt pavement     orthogonal test     road performance     spectral reflectance     silane-coupling    

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Fatigue of asphalt binder, mastic and mixture at low temperature

Dong WANG, Linbing WANG, Guoqing ZHOU

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 166-175 doi: 10.1007/s11709-012-0157-7

Abstract: The fatigue damage is one of the most common distresses observed on the asphalt concrete pavement.To thoroughly understand the fatigue of asphalt concrete, the behaviors of the major components of asphaltA new experiment method is developed to evaluate the performances of asphalt binder, mastic and fineThe fatigue test results of asphalt binder show that the fatigue performance of asphalt binder is closelyFatigue damage of asphalt concrete is simplified by a damage model.

Keywords： fatigue     asphalt mixture     asphalt binder     mastic     finite element method (FEM)     X-ray tomography    

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Effect of styrene-butadiene-styrene copolymer on the aging resistance of asphalt: An atomistic understanding

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1261-1276 doi: 10.1007/s11709-021-0761-5

Abstract: influence of styrene-butadiene-styrene (SBS) polymer modification on the anti-aging performance of asphalt, and its mechanism, we explored the aging characteristics of base asphalt and SBS-modified asphalt byThe results illustrate that the SBS asphalt is more susceptible to oxidative aging than the base asphaltdiffusion of asphalt molecules.Compared with the base asphalt, the SBS asphalt exhibits a higher degree of oxidation at the early stage

Keywords： SBS asphalt     oxidative aging     asphalt hardening     ReaxFF     molecular dynamics    

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Title Author Date Type Operation

Using thermodynamic parameters to study self-healing and interface properties of crumb rubber modifiedasphalt based on molecular dynamics simulation

Dongliang HU, Jianzhong PEI, Rui LI, Jiupeng ZHANG, Yanshun JIA, Zepeng FAN

Journal Article

Aging properties and aging mechanism of activated waste rubber powder modified asphalt binder based on

Journal Article

Evaluation of the compatibility between rubber and asphalt based on molecular dynamics simulation

Fucheng GUO, Jiupeng ZHANG, Jianzhong PEI, Weisi MA, Zhuang HU, Yongsheng GUAN

Journal Article

Outdoor aging of road asphalt and SBS modified asphalt

Li XIANG, Juan TU, Jian CHENG, Guohe QUE

Journal Article

Effect of different high viscosity modifiers on rheological properties of high viscosity asphalt

Journal Article

Effect of carbon black on the dynamic moduli of asphalt mixtures and its master curves

Chuangmin LI, Fanbo NING, Yuanyuan LI

Journal Article

Green Road Construction Technologies in Guangzhou

Guan-feng An,Wen-yuan Huang,Jing-feng Zhang

Journal Article

Laboratory investigation of emulsified asphalt binder modified with wood-derived nano-cellulose and nano

Yunge WEI; Jiayu WANG; Ruoyu LI; Ling XU; Feipeng XIAO

Journal Article

Strength reduction factors for structural rubbercrete

Bashar S. MOHAMMED,N. J. AZMI

Journal Article

The development and application of the new type high-viscosity modified asphalt

Yang Linjiang

Journal Article

Linear viscoelastic behavior of asphalt binders and mixtures containing very high percentages of reclaimedasphalt pavement

Journal Article

Parametric study on seismic performance of self-centering reinforced concrete column with bottom-placed rubber

Journal Article

Development and road performance of clear asphalt with high transparency and adhesion

Journal Article

Fatigue of asphalt binder, mastic and mixture at low temperature

Dong WANG, Linbing WANG, Guoqing ZHOU

Journal Article

Effect of styrene-butadiene-styrene copolymer on the aging resistance of asphalt: An atomistic understanding

Journal Article